B12 and Peripheral neuropathy

According to

http://en.wikipedia.org/wiki/Peripheral_neuropathy#Causes

Deficiency of B12 is one of the possible causes of Peripheral neuropathy.

Peripheral neuropathy is the term for damage to nerves of the peripheral nervous system,^[1] which may be caused either by diseases of or trauma to the nerve or the side-effects of systemic illness.